Pentax 645D vs Pentax K-1

Here is a thorough overview of the Pentax 645D versus Pentax K-1, former being a Pro DSLR while the other is a Advanced DSLR and they are both designed by Pentax. The resolution of the 645D (40MP) and the K-1 (36MP) is very close but the 645D (Medium format) and K-1 (Full frame) boast totally different sensor dimensions.

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The 645D was launched 7 years earlier than the K-1 and that is a fairly large difference as far as camera tech is concerned. Each of the cameras feature different body design with the Pentax 645D being a Large SLR camera and the Pentax K-1 being a Mid-size SLR camera.

Before diving straight to a step-by-step comparison, here is a simple summation of how the 645D scores vs the K-1 in regards to portability, imaging, features and an overall rating.

The following is a sample of the gallery pics for Pentax 645D & Pentax K-1. The complete galleries are provided at Pentax 645D Gallery & Pentax K-1 Gallery.

For those who are intending to carry your camera frequently, you have to consider its weight and size. The Pentax 645D comes with outer measurements of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") and a weight of 1480 grams (3.26 lbs) while the Pentax K-1 has specifications of 137mm x 110mm x 86mm (5.4" x 4.3" x 3.4") having a weight of 1010 grams (2.23 lbs).

Look at the Pentax 645D versus Pentax K-1 in our brand new Camera plus Lens Size Comparison Tool.

Always remember, the weight of an ILC will vary depending on the lens you have attached during that time. Underneath is a front view over all size comparison of the 645D versus the K-1.

Considering size and weight, the portability score of the 645D and K-1 is 50 and 55 respectively.

Usually, its hard to envision the contrast in sensor sizing just by viewing specs. The visual here should give you a more clear sense of the sensor sizing in the 645D and K-1.

As you can plainly see, the 2 cameras feature different resolutions and different sensor sizing. The 645D featuring a larger sensor will make achieving shallower DOF easier and the Pentax 645D will render greater detail utilizing its extra 4 Megapixels. Greater resolution will make it easier to crop pics way more aggressively. The older 645D will be disadvantaged when it comes to sensor technology.